Of the following which is a FALSE statement? a) Protein breakdown by hydrolysis

Question

Of the following which is a FALSE statement? a) Protein breakdown by hydrolysis involves breaking the peptide bonds through the addition of water to form a carboxylic acid, and an amine. b) Protein breakdown by hydrolysis in cells takes place at body temperature and is catalyzed by an enzyme c) Denaturation of proteins does not affect the primary structure. d) Denaturation of proteins involves hydrolysis of peptide bonds and the un-folding of the protein's secondary, tertiary or quaternary structure. e) none of the above

Explanation / Answer

a) Protein breakdown by hydrolysis involves breaking the peptide bonds through the addition of water to form a carboxylic acid, and an amine.

True

b) Protein breakdown by hydrolysis in cells takes place at body temperature and is catalyzed by an enzyme.

True

c) Denaturation of proteins does not affect the primary structure.

False

Denaturation is the change of folding structure of a protein caused by heating or changes in pH. So denaturation of proteins affect the primary structure.

d) Denaturation of proteins involves hydrolysis of peptide bonds and the un-folding of the protein's secondary, tertiary or quaternary structure.

True

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